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In 2021, the new crown epidemic is still severe, and global economic growth is severely limited. However, the new crown virus cannot stop the pace of scientific and technological progress. Military materials are the most basic and cutt...

      Rotech Consolidated Engines has reportedly introduced a unique technology for the production of aircraft engine blades. Innovative developments have made it possible to produce the most precisely shaped parts, including large parts...

    The anodic coloring process is similar to that of electroplating, and there are no special requirements for the electrolyte. Various aqueous solutions of 10% sulfuric acid, 5% ammonium sulfate, 5% magnesium sulfate, 1% trisodium phos...

Preference changes, some people are happy and some people are sad. WoodMac expects that rebuilding trust will take time, and trading volumes are unlikely to recover immediately. "All price indices of affected commodities will be subj...

  Factors including the Russia-Ukraine conflict, stimulating the economy, strong post-pandemic demand and ongoing logistical constraints have put enormous pressure on supply chains in recent months, triggering multiple price records fo...

    On April 17, the 7103 Plant of the Sixth Institute of Aerospace Science and Technology Group conducted a test run with a liquid oxygen kerosene engine behind the secondary pump of my country's new-generation manned launch vehicle. Th...

    At the same time, Airbus does have a lot of inventory. In other words, even if Russia actively embargoes, it will not affect the production of Airbus aircraft for a period of time. Especially given the backdrop of a drop in aircraft ...

  European aircraft manufacturer Airbus has urged the West not to impose an embargo on Russian titanium imports. Airline chief Guillaume Faury believes that such restrictive measures will not have a major impact on the Russian economy,...

  Multilateralized Cracks In the solidified crystallization front, under the action of high temperature and stress, the lattice defects move and aggregate to form a secondary boundary, which is in a low plastic state at high temperatur...

With the development of industries such as iron and steel, petrochemical industry, ships and electric power, the welded structures tend to develop in the direction of large-scale, large-capacity and high-parameters, and some are st...